{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "257674",
    "entityType": "User",
    "nonce": "0xb110f079c18ef026b19d51a9ef1de086e73eded8f08954dbcbb0a16a39ef1699",
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    "signer": "0xA01ebc830d66b9A7a47A2EC95BcA34ED6EB49a45",
    "userId": "463524416"
  }
}